<template>
  <div>
    <div class="gva-table-box">
      <div class="gva-btn-list">
        <el-button type="primary" icon="plus" @click="openDialog()">新增</el-button>
        <el-button icon="delete" style="margin-left: 10px;" :disabled="!multipleSelection.length"
          @click="onDelete">删除</el-button>

      </div>
      <el-table ref="multipleTable" style="width: 100%" tooltip-effect="dark" :data="tableData" row-key="ID"
        @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" />

        <el-table-column sortable align="left" label="名称" prop="name" width="220" />

        <el-table-column sortable align="left" label="排序" prop="sort" width="120" />

        <!-- <el-table-column align="left" label="操作" fixed="right" :min-width="appStore.operateMinWith"> -->
        <el-table-column align="left" label="操作" >
          <template #default="scope">
            <el-button v-if="scope.row.parentID === 0" type="primary" link class="table-button" @click="openDialog(scope.row)"><el-icon
                style="margin-right: 5px">
                <InfoFilled />
              </el-icon>新增病症</el-button>
            <!-- <el-button type="primary" link class="table-button" @click="getDetails(scope.row)"><el-icon
                style="margin-right: 5px">
                <InfoFilled />
              </el-icon>查看</el-button> -->
            <el-button v-if="scope.row.parentID !== 0" type="primary" link class="table-button" @click="relevancy(scope.row)"><el-icon
              style="margin-right: 5px">
              <InfoFilled />
            </el-icon>关联文章</el-button>  
            <el-button type="primary" link icon="edit" class="table-button"
              @click="updateDiseaseFunc(scope.row)">编辑</el-button>
            <el-button v-if="!scope.row.children?.length" type="primary" link icon="delete"
              @click="deleteRow(scope.row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <div class="gva-pagination">
        <el-pagination layout="total, sizes, prev, pager, next, jumper" :current-page="page" :page-size="pageSize"
          :page-sizes="[10, 30, 50, 100]" :total="total" @current-change="handleCurrentChange"
          @size-change="handleSizeChange" />
      </div>
    </div>
    <el-drawer destroy-on-close :size="appStore.drawerSize" v-model="dialogFormVisible" :show-close="false"
      :before-close="closeDialog">
      <template #header>
        <div class="flex justify-between items-center">
          <span class="text-lg">{{ type === 'create' ? '新增' : '编辑' }}</span>
          <div>
            <el-button :loading="btnLoading" type="primary" @click="enterDialog">确 定</el-button>
            <el-button @click="closeDialog">取 消</el-button>
          </div>
        </div>
      </template>

      <el-form :model="formData" label-position="top" ref="elFormRef" :rules="rule" label-width="80px">
        <el-form-item label="父节点:" prop="parentID">
          <el-tree-select v-model="formData.parentID" :data="[rootNode, ...tableData]" check-strictly
            :render-after-expand="false" :props="defaultProps" clearable style="width: 240px" placeholder="根节点" />
        </el-form-item>
        <el-form-item label="名称:" prop="name">
          <el-input v-model="formData.name" :clearable="false" placeholder="请输入名称" />
        </el-form-item>
        <el-form-item label="排序:" prop="sort">
          <el-input v-model.number="formData.sort" :clearable="false" placeholder="请输入排序" />
        </el-form-item>
      </el-form>
    </el-drawer>

    <el-drawer destroy-on-close :size="appStore.drawerSize" v-model="detailShow" :show-close="true"
      :before-close="closeDetailShow" title="查看">
      <el-descriptions :column="1" border>
        <el-descriptions-item label="父节点">
          <el-tree-select v-model="detailForm.parentID" :data="[rootNode, ...tableData]" check-strictly disabled
            :render-after-expand="false" :props="defaultProps" clearable style="width: 240px" placeholder="根节点" />
        </el-descriptions-item>
        <el-descriptions-item label="名称">
          {{ detailForm.name }}
        </el-descriptions-item>
      </el-descriptions>
    </el-drawer>

    <!-- 关联文章抽屉 -->
    <el-drawer v-model="drawer" direction="rtl">
      <template #header>
        <div>
          <h4>关联文章</h4>
          <el-input v-model="filterText" placeholder="请输入搜索内容" clearable />
          <div class="flex gap-2 mt-2">
            <el-tree-select
              v-model="formData.category"
              :data="category"
              check-strictly
              :render-after-expand="false"
              :props="{ value: 'ID', label: 'name' }"
              @change="GetArticleList"
            />
          </div>
        </div>
      </template>
      <template #default>
        <div>
          <el-tabs v-model="tag" @tab-change="GetArticleList">
            <el-tab-pane label="文本" name="richText">
              <el-tree ref="treeRefText" node-key="ID" :data="texts" :filter-node-method="filterTree" :props="{ label: 'title' }" show-checkbox @check-change="PushId" />
            </el-tab-pane>
            <el-tab-pane label="音频" name="audio">
              <el-tree ref="treeRefAudio" node-key="ID" :data="audios" :filter-node-method="filterTree" :props="{ label: 'title' }" show-checkbox @check-change="PushId" />
            </el-tab-pane>
            <el-tab-pane label="视频" name="video">
              <el-tree ref="treeRefVideo" node-key="ID" :data="videos" :filter-node-method="filterTree" :props="{ label: 'title' }" show-checkbox @check-change="PushId" />
            </el-tab-pane>
          </el-tabs>
        </div>
      </template>
      <template #footer>
        <div style="flex: auto">
          <el-button @click="drawer = false">取消</el-button>
          <el-button type="primary" @click="confirmClick">确定</el-button>
        </div>
      </template>
    </el-drawer>

  </div>
</template>

<script>
export default {
  name: 'Disease'
}
</script>

<script setup>
import {
  createDisease,
  deleteDisease,
  deleteDiseaseByIds,
  updateDisease,
  findDisease,
  setDiseaseArticle,
  getDiseaseArticle,
  getDiseaseList
} from '@/api/intersection/disease'

// 全量引入格式化工具 请按需保留
import { getDictFunc, formatDate, formatBoolean, filterDict, ReturnArrImg, onDownloadFile } from '@/utils/format'
import { ElMessage, ElMessageBox } from 'element-plus'
import { ref, reactive, watch, nextTick } from 'vue'
import { getArticleList } from '@/api/cms/article'
import { getCategoryList } from '@/api/cms/category.js'
import { useAppStore } from "@/pinia"




defineOptions({
  name: 'Disease'
})

// 提交按钮loading
const btnLoading = ref(false)
const appStore = useAppStore()

// 控制更多查询条件显示/隐藏状态
const showAllQuery = ref(false)

// 自动化生成的字典（可能为空）以及字段
const formData = ref({
  parentID: undefined,
  name: '',
  description: '',
  sort: 0,
})



// 验证规则
const rule = reactive({
  name: [{
    required: true,
    message: '',
    trigger: ['input', 'blur'],
  },
  {
    whitespace: true,
    message: '不能只输入空格',
    trigger: ['input', 'blur'],
  }
  ],
})

const elFormRef = ref()
const elSearchFormRef = ref()

// =========== 表格控制部分 ===========
const page = ref(1)
const total = ref(0)
const pageSize = ref(10)
const tableData = ref([])
const searchInfo = ref({})
// 规范化并递归排序树数据，按 sort 升序
const normalizeTree = (nodes = []) => {
  const list = Array.isArray(nodes) ? nodes : []
  const mapped = list.map(n => {
    const ID = n.ID ?? n.id
    const parentID = n.parentID ?? n.parentId ?? n.parent_id ?? 0
    const children = Array.isArray(n.children) ? n.children : []
    const normalizedChildren = normalizeTree(children)
    return {
      ...n,
      ID,
      parentID,
      children: normalizedChildren.length ? normalizedChildren.sort((a,b)=> (a.sort||0)-(b.sort||0)) : undefined,
    }
  })
  return mapped.sort((a,b)=> (a.sort||0)-(b.sort||0))
}
// 树选择器配置
const defaultProps = {
  children: "children",
  label: "name",
  value: "ID"
}

const rootNode = {
  ID: 0,
  name: '根节点',
  children: []
}

// 查询
const getTableData = async () => {
  const table = await getDiseaseList()
  if (table.code === 0) {
    tableData.value = normalizeTree(table.data || [])
  }
}

getTableData()

// ============== 表格控制部分结束 ===============

// 获取需要的字典 可能为空 按需保留
const setOptions = async () => {
}

// 获取需要的字典 可能为空 按需保留
setOptions()


// 多选数据
const multipleSelection = ref([])
// 多选
const handleSelectionChange = (val) => {
  multipleSelection.value = val
}

// 删除行
const deleteRow = (row) => {
  ElMessageBox.confirm('确定要删除吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(() => {
    deleteDiseaseFunc(row)
  })
}

// 批量删除控制标记
const deleteVisible = ref(false)

// 多选删除
const onDelete = async () => {
  ElMessageBox.confirm('确定要删除吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    const ids = []
    if (multipleSelection.value.length === 0) {
      ElMessage({
        type: 'warning',
        message: '请选择要删除的数据'
      })
      return
    }
    multipleSelection.value &&
      multipleSelection.value.map(item => {
        ids.push(item.ID)
      })
    const res = await deleteDiseaseByIds({ IDs: ids })
    if (res.code === 0) {
      ElMessage({
        type: 'success',
        message: '删除成功'
      })
      if (tableData.value.length === ids.length && page.value > 1) {
        page.value--
      }
      getTableData()
    }
  })
}

// 行为控制标记（弹窗内部需要增还是改）
const type = ref('')

// 更新行
const updateDiseaseFunc = async (row) => {
  const res = await findDisease({ ID: row.ID, id: row.ID })
  type.value = 'update'
  if (res.code === 0) {
    formData.value = res.data
    dialogFormVisible.value = true
  }
}


// 删除行
const deleteDiseaseFunc = async (row) => {
  const res = await deleteDisease({ ID: row.ID })
  if (res.code === 0) {
    ElMessage({
      type: 'success',
      message: '删除成功'
    })
    if (tableData.value.length === 1 && page.value > 1) {
      page.value--
    }
    getTableData()
  }
}

// 关联文章功能
const treeRefText = ref(null)
const treeRefAudio = ref(null)
const treeRefVideo = ref(null)
const filterText = ref('')
const active = ref({})
const drawer = ref(false)
const texts = ref([])
const audios = ref([])
const videos = ref([])
const category = ref([])
const IDList = ref([])

const filterTree = (_, tree) => {
  if (!filterText.value) return true
  return tree.title?.includes(filterText.value)
}

const getCategory = async () => {
  const res = await getCategoryList({ page: 1, pageSize: 1000 })
  if (res.code === 0) {
    category.value = res.data
  }
}
getCategory()

const tag = ref('richText')

const GetArticleList = async () => {
  const res = await getArticleList({ page: 1, pageSize: 1000, category: formData.value.category, type: tag.value })
  if (res.code === 0) {
    if (tag.value === 'richText') {
      texts.value = res.data.list
    }
    if (tag.value === 'video') {
      videos.value = res.data.list
    }
    if (tag.value === 'audio') {
      audios.value = res.data.list
    }
    await nextTick()
    if (tag.value === 'richText') {
      treeRefText.value?.setCheckedKeys(IDList.value)
    }
    if (tag.value === 'video') {
      treeRefVideo.value?.setCheckedKeys(IDList.value)
    }
    if (tag.value === 'audio') {
      treeRefAudio.value?.setCheckedKeys(IDList.value)
    }
  }
}

const relevancy = async (row) => {
  active.value = row
  drawer.value = true
  const res = await getDiseaseArticle({ diseaseID: row.ID })
  if (res.code === 0) {
    const textIds = []
    const audioIds = []
    const videoIds = []
    res.data?.forEach(item => {
      if (item.type === 'richText') {
        textIds.push(item.article_id)
      }
      if (item.type === 'audio') {
        audioIds.push(item.article_id)
      }
      if (item.type === 'video') {
        videoIds.push(item.article_id)
      }
    })
    IDList.value = Array.from(new Set([...textIds, ...audioIds, ...videoIds]))
    await GetArticleList()
  }
}

const confirmClick = async () => {
  const textIds = treeRefText.value?.getCheckedKeys() || []
  const audioIds = treeRefAudio.value?.getCheckedKeys() || []
  const videoIds = treeRefVideo.value?.getCheckedKeys() || []
  const res = await setDiseaseArticle({
    diseaseID: active.value.ID,
    richTextID: textIds,
    audioID: audioIds,
    videoID: videoIds,
  })
  if (res.code === 0) {
    ElMessage({ type: 'success', message: '关联成功' })
    drawer.value = false
  }
}

// 勾选持久化（跨 Tab）
const PushId = (node, checked) => {
  if (checked) {
    if (!IDList.value.includes(node.ID)) {
      IDList.value.push(node.ID)
    }
  } else {
    const idx = IDList.value.indexOf(node.ID)
    if (idx !== -1) {
      IDList.value.splice(idx, 1)
    }
  }
}

watch(() => [filterText.value], () => {
  treeRefText.value?.filter()
  treeRefAudio.value?.filter()
  treeRefVideo.value?.filter()
})

// 弹窗控制标记
const dialogFormVisible = ref(false)

// 打开弹窗
const openDialog = (row) => {
  type.value = 'create'
  formData.value.parentID = row ? row.ID : undefined
  dialogFormVisible.value = true
}

// 关闭弹窗
const closeDialog = () => {
  dialogFormVisible.value = false
  formData.value = {
    name: '',
    description: '',
    sort: 0,
  }
}
// 弹窗确定
const enterDialog = async () => {
  btnLoading.value = true
  elFormRef.value?.validate(async (valid) => {
    if (!valid) return btnLoading.value = false
    let res
    switch (type.value) {
      case 'create':
        res = await createDisease(formData.value)
        break
      case 'update':
        res = await updateDisease(formData.value)
        break
      default:
        res = await createDisease(formData.value)
        break
    }
    btnLoading.value = false
    if (res.code === 0) {
      ElMessage({
        type: 'success',
        message: '创建/更改成功'
      })
      closeDialog()
      getTableData()
    }
  })
}

const detailForm = ref({})

// 查看详情控制标记
const detailShow = ref(false)


// 打开详情弹窗
const openDetailShow = () => {
  detailShow.value = true
}


// 打开详情
const getDetails = async (row) => {
  // 打开弹窗
  const res = await findDisease({ ID: row.ID, id: row.ID })
  if (res.code === 0) {
    detailForm.value = res.data
    openDetailShow()
  }
}


// 关闭详情弹窗
const closeDetailShow = () => {
  detailShow.value = false
  detailForm.value = {}
}


</script>

<style></style>
